<template>
  <div class="document" >
    <el-row>
        <el-col :md="3" :lg="6" :xl="8" class="hidden-sm-and-down">&nbsp;</el-col>
        <el-col :sm="24" :md="18" :lg="12" :xl="8">
            <div v-html="html" class="center"></div>
        </el-col>
        <el-col :md="3" :lg="6" :xl="8" class="hidden-sm-and-down">&nbsp;</el-col>
    </el-row>
  </div>
</template>

<script>
import Prism from 'prismjs'
import showdown from 'showdown'
export default {
    name: 'Document',
    data () {
        return {
            html: '',
            docs: {
                '01' : require('html-loader!markdown-loader!../../document/01-基本概念.md'),
                '02' : require('html-loader!markdown-loader!../../document/02-常见的图元.md')
            }
        }
    },
    props: {
        number: {
            type: String,
            default: '01'
        }
    },
    watch:{
      number() {
        this.update()
      }
    },
    mounted() {
      this.update()
    },
    updated() {
      Prism.highlightAll();
    },
    methods: {
      update() {
        let converter = new showdown.Converter()
        let text = this.docs[this.number].toString()
        this.html = converter.makeHtml(text)
      }
    }
}
</script>

<style scoped>
.document {
  padding: 10px 30px;
  text-align: left;
}
blockquote {
  border-left: #eee solid 5px;
  padding-left: 15px;
  color: #8e8e8e;
  margin-inline-start: 0px;
  margin-inline-end: 0px;
}
ul li {
  line-height: 25px;
}
pre code {
  background: #F6F6F6;
}
p code {
  color: #D34B62;
  background: #F6F6F6;
  margin: 0 2px;
}

@keyframes squeezeBody {
  from {
    width: 100%;
  }
  to {
    width: calc(100% - 300px);
  }
}

@-webkit-keyframes squeezeBody {
  from {
    width: 100%;
  }
  to {
    width: calc(100% - 300px);
  }
}

@keyframes stretchBody {
  from {
    width: calc(100% - 300px);
  }
  to {
    width: 100%;
  }
}

@-webkit-keyframes stretchBody {
  from {
    width: calc(100% - 300px);
  }
  to {
    width: 100%;
  }
}

.squeezed-body {
  animation: squeezeBody 0.5s ease;
  -webkit-animation: squeezeBody 0.5s ease;
  width: calc(100% - 300px);
}

.full-body {
  animation: stretchBody 0.5s ease;
  -webkit-animation: stretchBody 0.5s ease;
  width: 100%;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Old Standard TT', serif;
  font-weight: bold;
}

h1 {
  border-bottom: 1px solid #ddd;
}

.serif {
  font-family: 'Old Standard TT', serif;
}

.top-bar {
  height: 45px;
  min-height: 45px;
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
}

.bars-lnk {
  color: #fff;
}

.bars-lnk i {
  display: inline-block;
  margin-left: 10px;
  margin-top: 7px;
}

.bars-lnk img {
  display: inline-block;
  margin-left: 10px;
  margin-top: -15px;
  margin-right: 15px;
  height: 35px;
}

.lateral-menu {
  background-color: #333;
  color: rgb(144, 144, 144);
  width: 300px;
  font-family: 'Open Sans', 'Myriad Pro', 'Lucida Grande', 'Lucida Sans Unicode', 'Lucida Sans', Geneva, Verdana, sans-serif;
}

.lateral-menu label {
  color: rgb(144, 144, 144);
}

.lateral-menu-content {
  padding-left: 10px;
  height: 100%;
  font-size: 12px;
  font-style: normal;
  font-variant: normal;
  font-weight: bold;
  line-height: 16px;
}

.lateral-menu-content .title {
  padding-top: 15px;
  font-size: 2em;
  height: 45px;
}

.lateral-menu-content-inner {
  overflow-y: auto;
  height: 100%;
  padding-top: 10px;
  padding-bottom: 50px;
  padding-right: 10px;
  font-size: 0.9em;
}

.container {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  justify-content: center;
  align-items: stretch;
  width: 100%;
  height: 100%;
  padding-top: 65px;
}

.container>* {
  display: block;
  width: 50%;
  margin-left: 10px;
  margin-right: 10px;
  max-height: 100%;
}

.container textarea {
  resize: none;
  font-family: Consolas, "Liberation Mono", Courier, monospace;
  height: 97%;
  max-height: 97%;
  width: 45%;
}

#preview {
  height: 97%;
  max-height: 97%;
  border: 1px solid #eee;
  overflow-y: scroll;
  width: 55%;
  padding: 10px;
}

pre {
  white-space: pre-wrap;
  /* css-3 */
  white-space: -moz-pre-wrap;
  /* Mozilla, since 1999 */
  white-space: -pre-wrap;
  /* Opera 4-6 */
  white-space: -o-pre-wrap;
  /* Opera 7 */
  word-wrap: break-word;
  /* Internet Explorer 5.5+ */
  background-color: #f8f8f8;
  border: 1px solid #dfdfdf;
  margin-top: 1.5em;
  margin-bottom: 1.5em;
  padding: 0.125rem 0.3125rem 0.0625rem;
}

pre {
  padding: 16px;
  overflow: auto;
  font-size: 85%;
  line-height: 1.45;
  background-color: #f6f8fa;
  border-radius: 3px;
}

.modal-wrapper {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 999;
  background-color: rgba(51, 51, 51, 0.5);
}

.modal-inner {
  margin-top: 200px;
  margin-left: auto;
  margin-right: auto;
  width: 600px;
  height: 225px;
  background-color: #fff;
  opacity: 1;
  z-index: 1000;
}

.modal-close-btn {
  float: right;
  display: inline-block;
  margin-right: 5px;
  color: #ff4336;
}

.modal-close-btn:hover {
  float: right;
  display: inline-block;
  margin-right: 5px;
  color: #8d0002;
}

.modal-topbar {
  clear: both;
  height: 25px;
}

.modal-inner .link-area {
  margin: 10px;
  height: 170px;
}

.modal-inner textarea {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}

.version {
  color: white;
  font-size: 0.8em !important;
}
</style>
